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US 4,253,789 AGranted
Miniature slide storage tray
OwnerClaes J. Hultgreninventor
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OwnerClaes J. Hultgreninventor
Estimating the term…
A miniature slide storage tray having a plurality of annularly arranged, radially extending compartments for receiving and storing a plurality of slides in a compactly arranged manner so that the storage tray and slides require a minimum of storage space. An annular slide transfer tray having a plurality of radially extending compartments corresponding to the compartments in the storage tray is temporarily engageable with the storage tray and the mated storage and transfer trays are temporarilyengageable with an associated, annular, slide projection tray. Alignment and indexing structure maintains alignment between the respective compartments in the storage, tranfer and projection trays when these parts are in mated relationship. Transfer of slides between the compartments in the storage and transfer trays is effected by radially shifting the slides between these compartments and transfer of slides between the compartments of the transfer and projection trays is effected by gravity by inverting the mated trays. A novel method is employed to transfer slides from the compartments of the slide storage tray into the compartments of the slide transfer tray and thence into the compartments of the associated slide projection tray, and vice versa.
A slide storage tray for storing a plurality of slides in a compact, prearranged manner so as to minimize the space required for storage of the slides and tray, said tray comprising a circular, plate-like base having partition means thereon for maintaining a plurality of slides in segregated, radially extending relation on said base, and an abutment extending upwardly from the center of said base and providing a stop for radially locating the slides on said base, the overall diameter of said base being less then three times the length of the edge of a slide resting on the base, whereby a plurality of slides may be stored in tightly compacted relation on said tray when said slides are disposed between said partition means with one edge of each slide resting on said tray base and one other edge of each slide engaging said abutment.
Dependencies are inferred from the claim text.